1022090912 has 24 divisors (see below), whose sum is σ = 2032171092. Its totient is φ = 505984000.

The previous prime is 1022090911. The next prime is 1022090917. The reversal of 1022090912 is 2190902201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 983700496 + 38390416 = 31364^2 + 6196^2 .

It is not an unprimeable number, because it can be changed into a prime (1022090911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154889 + ... + 161352.

Almost surely, 2^1022090912 is an apocalyptic number.

It is an amenable number.

1022090912 is a deficient number, since it is larger than the sum of its proper divisors (1010080180).

1022090912 is a wasteful number, since it uses less digits than its factorization.

1022090912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316352 (or 316344 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1022090912 is about 31970.1565839143. The cubic root of 1022090912 is about 1007.3100700002.

The spelling of 1022090912 in words is "one billion, twenty-two million, ninety thousand, nine hundred twelve".